EP4419445A4 - Multilayer films - Google Patents

Multilayer films

Info

Publication number
EP4419445A4
EP4419445A4 EP21961029.2A EP21961029A EP4419445A4 EP 4419445 A4 EP4419445 A4 EP 4419445A4 EP 21961029 A EP21961029 A EP 21961029A EP 4419445 A4 EP4419445 A4 EP 4419445A4
Authority
EP
European Patent Office
Prior art keywords
multilayer films
multilayer
films
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21961029.2A
Other languages
German (de)
French (fr)
Other versions
EP4419445A1 (en
Inventor
Bo Liu
Feng Chen
Zhe Zhou
Wesley R. Mariott
Chuan C. HE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Global Technologies LLC
Original Assignee
Dow Global Technologies LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies LLC filed Critical Dow Global Technologies LLC
Publication of EP4419445A1 publication Critical patent/EP4419445A1/en
Publication of EP4419445A4 publication Critical patent/EP4419445A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/327—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polyolefins obtained by a metallocene or single-site catalyst
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/043—HDPE, i.e. high density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
EP21961029.2A 2021-10-22 2021-10-22 Multilayer films Pending EP4419445A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/125553 WO2023065280A1 (en) 2021-10-22 2021-10-22 Multilayer films

Publications (2)

Publication Number Publication Date
EP4419445A1 EP4419445A1 (en) 2024-08-28
EP4419445A4 true EP4419445A4 (en) 2025-06-25

Family

ID=86058744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21961029.2A Pending EP4419445A4 (en) 2021-10-22 2021-10-22 Multilayer films

Country Status (7)

Country Link
US (1) US20240336043A1 (en)
EP (1) EP4419445A4 (en)
KR (1) KR20240089757A (en)
CN (1) CN118284565A (en)
CA (1) CA3235410A1 (en)
MX (1) MX2024004448A (en)
WO (1) WO2023065280A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112549578A (en) * 2020-12-29 2021-03-26 苏州双雄新材料股份有限公司 Preparation process of winding film for industrial packaging
WO2021183337A1 (en) * 2020-03-12 2021-09-16 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved bending stiffness and high md tear resistance

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6812289B2 (en) * 1996-12-12 2004-11-02 Dow Global Technologies Inc. Cast stretch film of interpolymer compositions
JP2005225136A (en) * 2004-02-13 2005-08-25 Kureha Chem Ind Co Ltd Laminated film having selective permeability of carbon dioxide gas
CA2573165A1 (en) * 2004-06-24 2006-02-02 Pliant Corporation Multi-layer polyolefin film
JP2006124567A (en) * 2004-10-29 2006-05-18 Tosoh Corp Polyethylene resin composition and film comprising the same
JP5414971B2 (en) * 2005-12-28 2014-02-12 日本ポリエチレン株式会社 Film made of ethylene resin composition
CA2659280A1 (en) * 2006-07-28 2008-01-31 Alcan Packaging Flexible France Coextruded film with polylactic acid (pla) and ethylene vinyl acetate (eva)
CN103189207A (en) * 2010-11-05 2013-07-03 埃克森美孚化学专利公司 Polymeric films and methods to manufacture the same
JP6311562B2 (en) * 2013-10-10 2018-04-18 東ソー株式会社 Polyethylene resin composition, laminate comprising the same, and medical container using the laminate
JP6281950B2 (en) * 2014-01-29 2018-02-21 サン・トックス株式会社 Polyolefin-based unstretched multilayer film
US20150231861A1 (en) * 2014-02-19 2015-08-20 Dow Global Technologies Llc Multilayered polyolefin films, methods of manufacture thereof and articles comprising the same
US20150231862A1 (en) * 2014-02-19 2015-08-20 Dow Global Technologies Llc Multilayered polyolefin films, methods of manufacture thereof and articles comprising the same
BR112016022822B1 (en) * 2014-04-01 2021-12-07 Dow Global Technologies Llc MULTILAYER FILM AND ARTICLE
WO2017106120A2 (en) * 2015-12-18 2017-06-22 Dow Global Technologies Llc Multilayer films suitable for use in thermoforming applications
CN109071860B (en) * 2016-05-18 2022-04-26 株式会社可乐丽 Foam molded body, sealing rubber, composite body of sealing rubber and panel, and method for increasing sound transmission loss
JP2021523956A (en) * 2018-03-29 2021-09-09 ダウ グローバル テクノロジーズ エルエルシー Resins for use as bond layers in multi-layer structures, and multi-layer structures containing them

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021183337A1 (en) * 2020-03-12 2021-09-16 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved bending stiffness and high md tear resistance
CN112549578A (en) * 2020-12-29 2021-03-26 苏州双雄新材料股份有限公司 Preparation process of winding film for industrial packaging

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023065280A1 *

Also Published As

Publication number Publication date
MX2024004448A (en) 2024-05-08
EP4419445A1 (en) 2024-08-28
CN118284565A (en) 2024-07-02
WO2023065280A1 (en) 2023-04-27
CA3235410A1 (en) 2023-04-27
US20240336043A1 (en) 2024-10-10
KR20240089757A (en) 2024-06-20

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RIC1 Information provided on ipc code assigned before grant

Ipc: C08L 23/06 20060101ALI20250521BHEP

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